The Comparative Analysis :
Porsche 718 Cayman PDK (18 - ..) vs. Mercedes E 400 d Coupé 4MATIC 9G-TRONIC (18 - ..)
€ 57,200
€ 65,500
€ 57,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 65,500
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche 718 Cayman is significantly smaller in every dimension. It's 17.6 inches shorter, 2.3 inches narrower and 5.3 inches lower than the Mercedes E 400 d Coupé.
Porsche 718 Cayman
Mercedes E 400 d Coupé
51
70.9
78.5
56.3
73.2
80.9
70.9 in
Width
73.2 in
78.5 in
Width Incl. Mirrors
80.9 in
51 in
Height
56.3 in
97.4
172.4
113.1
190
172.4 in
Length
190 in
97.4 in
Wheelbase
113.1 in
Vehicle Weight
Porsche 718 Cayman
Mercedes E 400 d Coupé
3175 lb
Curb Weight
4277 lb
3715 lb
Gross Vehicle
Weight
Weight
5379 lb
Weight Difference:
1102 lb
25.77 %
General
Porsche 718 Cayman
Mercedes E 400 d Coupé
982C
Generation
C238
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
7-speed dual clutch transmission
Transmission
9-speed automatic transmission
Engine
Porsche 718 Cayman
Mercedes E 400 d Coupé
4-cylinder boxer gasoline engine with turbocharger
Engine Type
Straight-six diesel engine with two turbochargers (biturbo)
Engine Series
Mercedes-Benz OM 656
Engine Code
OM 656.929
4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
2.9 L / 142 cu in
296 hp
at 6500 rpm
Power
335 hp
at 3400 rpm
Porsche 718 Cayman
296 hp
335 hp
Mercedes E 400 d Coupé
280 lb‑ft
at 2150 rpm
Max. Torque
516 lb‑ft
at 1200 rpm
Porsche 718 Cayman
280 lb‑ft
516 lb‑ft
Mercedes E 400 d Coupé
Performance
Porsche 718 Cayman
Mercedes E 400 d Coupé
171 mph
Maximum Speed
155 mph
4.9 sec
Acceleration 0 to 62 mph
5.1 sec
62 mph
62
mph
mph
223 ft
0.000 sec
Porsche 718 Cayman
62 mph
62
mph
mph
233 ft
0.000 sec
Mercedes E 400 d Coupé
▶ REPLAY
10.73 lb/hp
Weight-to-Power Ratio
12.77 lb/hp
Porsche 718 Cayman
10.73 lb/hp
12.77 lb/hp
Mercedes E 400 d Coupé
Fuel Economy / Emissions
Porsche 718 Cayman
Mercedes E 400 d Coupé
Fuel Economy
30 mpg
combined
40 mpg
Porsche 718 Cayman
30 mpg
40 mpg
Mercedes E 400 d Coupé
22 mpg
city
34 mpg
37 mpg
highway
44 mpg
14.3 gal
Fuel Tank Capacity
13.2 gal
425 mi
Range
526 mi
Porsche 718 Cayman
425 mi
526 mi
Mercedes E 400 d Coupé
Environmental Impact
149.7 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
121.3 kWh
Porsche 718 Cayman
149.7 kWh
121.3 kWh
Mercedes E 400 d Coupé
Euro 6d-TEMP
Emission Standard
Euro 6d-TEMP
311 g/mi (WLTP)
CO2 Emissions
286 g/mi (WLTP)
Practical Convenience
Porsche 718 Cayman
Mercedes E 400 d Coupé
2
Doors
3
2
No. of Seats
4
540 lb
Maximum Payload
1102 lb
12 cu ft
Trunk Volume
12 cu ft
No data
Cargo Volume (Seats Down)
No data
